A former Montgomery County resident was charged Friday night with murdering his roommate in a Howard County hospital.

Maryland State Police said 22-year-old David Rico-Noyola, formerly of Anne Arundel County, was found on the floor of his hospital room, bleeding, with trauma to his head and body around 2:30 p.m. Friday. Police charged his fellow patient and roommate, Vitaly Davydov, 24, formerly of Montgomery County, with first and second degree murder.